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Finding the Fourth Proportional to 33,893.40, 50,814.84 and 14,143.92

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Solution

The fourth proportional to 33,893.40, 50,814.84 and 14,143.92 is: 21,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,893.40 : 50,814.84 = 14,143.92 : x
  2. Step 2: Convert to fraction form
    33,893.40/50,814.84 = 14,143.92/x
  3. Step 3: Cross multiply
    33,893.40x = 50,814.84 × 14,143.92
  4. Step 4: Simplify right side
    33,893.40x = 718,721,031.77
  5. Step 5: Solve for x
    x = 718,721,031.77/33,893.40
  6. Step 6: Final answer
    x = 21,205.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.